Hacker

Traffic-Based Anomaly Detection in Log Files

Welcome to the final part of the series. In this article, we will explore how to detect high traffic anomalies using Spring State Machine (SSM) and Spring Reactor. Series began with an examination of ...
TechRepublic

Best Practices for Concurrency in Java

Learn about the best practices for concurrency in Java to ensure your multi-threaded applications are efficient, synchronized, and error-free. Concurrency in Java is the ability of multiple threads to ...
GitHub

ConcurrentHashMap#computeIfAbsent have performance problem in jdk1.8

openjdk version "1.8.0_312" OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~18.04-b07) OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode) root ...
GitHub

ConcurrentHashMap#computeIfAbsent have performance problem in jdk1.8 QueueOffsetAssigner#assignQueueOffset use it.

LTS 4.9.xThis PR should cherry picked to LTS branchThis PR should cherry picked to LTS branch OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~18.04-b07) OpenJDK 64-Bit Server VM (build ...
TheServerSide

HashMap vs. Hashtable: Which map should you choose?

While the Hashtable was part of the initial Java release over two decades ago, the HashMap is the correct key-value store to use today. One key HashMap vs. Hashtable difference is the fact that the ...
InfoWorld

Java Map.get and Map.containsKey

package dustin.examples; /** * Enum representing select western states in the United Sates. */ public enum States { ARIZONA("Arizona"), CALIFORNIA("California ...